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Rollup merge of #133678 - Urgau:stabilize-ptr_fn_addr_eq, r=jhpratt

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Stabilize `ptr::fn_addr_eq`

This PR stabilize the `ptr::fn_addr_eq` function.

FCP completed in https://github.com/rust-lang/rust/issues/129322#issuecomment-2508304516
Closes https://github.com/rust-lang/rust/issues/129322
This commit is contained in:
Jacob Pratt 2024-12-01 22:10:24 -05:00 committed by GitHub
commit 10f3735a02
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1 changed files with 1 additions and 3 deletions
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library/core/src/ptr/mod.rs
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@ -2111,7 +2111,6 @@ pub fn addr_eq<T: ?Sized, U: ?Sized>(p: *const T, q: *const U) -> bool {
/// when compiled with optimization:
///
/// ```
/// # #![feature(ptr_fn_addr_eq)]
/// let f: fn(i32) -> i32 = |x| x;
/// let g: fn(i32) -> i32 = |x| x + 0; // different closure, different body
/// let h: fn(u32) -> u32 = |x| x + 0; // different signature too
@ -2136,7 +2135,6 @@ pub fn addr_eq<T: ?Sized, U: ?Sized>(p: *const T, q: *const U) -> bool {
/// # Examples
///
/// ```
/// #![feature(ptr_fn_addr_eq)]
/// use std::ptr;
///
/// fn a() { println!("a"); }
@ -2145,7 +2143,7 @@ pub fn addr_eq<T: ?Sized, U: ?Sized>(p: *const T, q: *const U) -> bool {
/// ```
///
/// [subtype]: https://doc.rust-lang.org/reference/subtyping.html
#[unstable(feature = "ptr_fn_addr_eq", issue = "129322")]
#[stable(feature = "ptr_fn_addr_eq", since = "CURRENT_RUSTC_VERSION")]
#[inline(always)]
#[must_use = "function pointer comparison produces a value"]
pub fn fn_addr_eq<T: FnPtr, U: FnPtr>(f: T, g: U) -> bool {